APA-ийн эшлэл(7 дахь хэвлэлт)

GREEN JEN. (2019). THE ENVIRONMENT CHALLENGE - REDUCING POLLUTION AND WASTE (2014 Ed.). RAINTREE PUBLISHERS.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

GREEN JEN. THE ENVIRONMENT CHALLENGE - REDUCING POLLUTION AND WASTE. 2014 Ed. CHICAGO: RAINTREE PUBLISHERS, 2019.

MLA -ийн эшлэл (9 дэх хэвлэлт)

GREEN JEN. THE ENVIRONMENT CHALLENGE - REDUCING POLLUTION AND WASTE. 2014 Ed. RAINTREE PUBLISHERS, 2019.